31800489

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{317}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 51653376

約数和(自身を除く): 19852887

約数列:

[1, 3, 7, 17, 21, 51, 119, 281, 317, 357, 843, 951, 1967, 2219, 4777, 5389, 5901, 6657, 14331, 16167, 33439, 37723, 89077, 100317, 113169, 267231, 623539, 1514309, 1870617, 4542927, 10600163, 31800489]

約数ペア:

[(1, 31800489), (3, 10600163), (7, 4542927), (17, 1870617), (21, 1514309), (51, 623539), (119, 267231), (281, 113169), (317, 100317), (357, 89077), (843, 37723), (951, 33439), (1967, 16167), (2219, 14331), (4777, 6657), (5389, 5901)]